Rasasanketakalika 2.60

2.60

<abhra:: vajra:: sattva:: māraṇa>
tatsattvaṃ vidhivadgrāhyaṃ śodhyaṃ māryaṃ ca lohavat /
sattvābhāve tu niścandraṃ raseṣviṣṭaṃ taducyate //

That essence should be taken according to rule, purified, and killed like iron; / in the absence of the essence, lustrefree [mica] is said to be desirable in mercurial preparations.